Multiple Choice
Star A has luminosity LA = 100 LSun and it is 1000 pc away. Star B has the same luminosity as the Sun, LSun, and it is 100 pc away. What is true about the brightnesses of these two stars?
A) Star A is brighter than Star B.
B) Star B is brighter than Star A.
C) Star A and Star B have the same brightness.
D) It is not possible to answer the question without knowing LSun, the luminosity of the Sun.
Correct Answer:
Verified
Correct Answer:
Verified
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